(4) include the requirements of an owner requested limit under 18 AAC 50.225 that applies to the stationary source.

(b) In each minor permit under 18 AAC 50.502(b), the department will include

(1) terms and conditions as necessary to ensure that the proposed stationary source or modification will meet the requirements of AS 46.14 and this chapter, including terms and conditions under AS 46.14.180 for

(A) installation, use, and maintenance of monitoring equipment;

(B) sampling emissions according to the methods prescribed by the department and at locations and intervals, and by procedures specified by the department;

(B) keep records of any maintenance that would have a significant effect on emissions; the records may be kept in an electronic format; and

(C) keep a copy of either the manufacturer’s or the operator’s maintenance procedures.

(c) In each minor permit under 18 AAC 50.502(c), the department will include terms and conditions

(1) as necessary to ensure that the proposed stationary source or modification will not cause or contribute to a violation of any ambient air quality standard or the standards of 18 AAC 50.110, or to impose a limit under 18 AAC 50.201, including terms and conditions under AS 46.14.180 for

(A) installation, use, and maintenance of monitoring equipment;

(B) sampling emissions according to the methods prescribed by the department and at locations and intervals, and by procedures specified by the department;

(3) maintenance of equipment according to the manufacturer’s or operator’s maintenance procedures.

(d) For each stationary source that is not subject to Title V permitting under 18 AAC 50.326, the department will include in the minor permit the requirement for a periodic affirmation, in accordance with 18 AAC 50.205, of whether the stationary source is still accurately described by the application and minor permit, and whether the owner or operator has made changes that would trigger the requirement for a new permit under this chapter. In the minor permit, the department will set out a time period between required affirmations as appropriate to the stationary source regulated by the minor permit.

(e) In a minor permit that approves a pollution control project exclusion in accordance with 40 C.F.R. 52.21(z), adopted by reference in 18 AAC 50.040, the department will include the requirements listed in 40 C.F.R. 52.21(z)(6).

(f) In a minor permit that establishes or revises a plantwide applicability limitation (PAL), the department will include

(1) the contents listed in 40 C.F.R. 52.21(aa)(7), adopted by reference in 18 AAC 50.040; and

(2) conditions as the department considers necessary to prevent emissions under the PAL from causing or contributing to a violation of an ambient air quality standard.

(g) In each minor permit under 18 AAC 50.508(4) to establish offsetting emissions, the department will include terms and conditions to ensure that the stationary source will meet the criteria in 18 AAC 50.542(f)(7), including terms and conditions imposed under AS 46.14.180 for

(A) installation, use, and maintenance of monitoring equipment;

(B) sampling emissions according to the methods prescribed by the department and at locations, intervals, and by procedures specified by the department;

(h) A minor permit establishing an owner requested limit (ORL) under 18 AAC 50.508(5) consists of a letter of approval from the department. In the letter of approval, the department will

(1) describe the terms and conditions of the approval, including the limits, specific testing, monitoring, recordkeeping, and reporting requirements;

(2) list all equipment covered by the approval;

(3) describe the permit that the limit allows the owner or operator to avoid; and

(4) set out the statement “I understand and agree to the terms and conditions of this approval” followed by a space for the owner’s or operator’s signature; the ORL becomes effective on the date of the signature.

(i) In each minor permit under 18 AAC 50.508(6) that revises or rescinds terms or conditions of a Title I permit, the department will include terms and conditions as necessary to ensure that the permittee will construct and operate the proposed stationary source or modification in accordance with this chapter. If the limit

(1) made it possible for the owner or operator to avoid any preconstruction review under this chapter, the limit remains in effect until the owner or operator obtains

(A) a new construction permit or minor permit under this chapter as if the limit had never existed; or

(B) under this section or under 18 AAC 50.508, a new limit that allows the owner or operator to continue to avoid preconstruction review; or

(2) made it possible to avoid a Title V permit, the limit remains in effect until the owner or operator obtains

(A) a new Title V permit under this chapter as if the limit had never existed; or

(B) under this section or under a permit classified in 18 AAC 50.508, a new limit that allows the owner or operator to continue to avoid the need for the permit.